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Sound-based virtual keyboard, device and method

  • US 20060192763A1
  • Filed: 02/25/2005
  • Published: 08/31/2006
  • Est. Priority Date: 02/25/2005
  • Status: Abandoned Application
First Claim
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1. A virtual input apparatus comprising:

  • an array of vibration transducers; and

    a signal processor connected to an output of the transducer array, an output of the signal processor providing data corresponding to a determined location of a vibration detected by the transducer array, wherein the transducer array is in contact with a sounding surface, the sounding surface transmitting the vibration detected by the transducer array.

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